power pack
noun /ˈpaʊə pæk/
/ˈpaʊər pæk/
- a device that stores and supplies electrical power. Power packs are usually designed to be easy to carry with you.
- They are offering a discount on portable power packs for tablets and phones.
单词 | power pack |
释义 | power packnoun /ˈpaʊə pæk/ /ˈpaʊər pæk/
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